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A cellular space is a T2-space that has the structure of a so-called CW-complex.

In the American system, 10^(303).

C=tauT+kappaB, where tau is the torsion, kappa is the curvature, T is the tangent vector, and B is the binormal vector.

max_(a<=x<=b){|f(x)-rho(x)|w(x)}.

year winner 2010 Louis Nirenberg

An official chessboard is an 8×8 board containing squares alternating in color between olive green and buff (where "buff" is a color variously defined as a moderate orange ...

Having forms of different handedness which are not mirror-symmetric.

Two nonisomorphic graphs are said to be chromatically equivalent (also termed "chromically equivalent by Bari 1974) if they have identical chromatic polynomials. A graph that ...

A circle with an arrow indicating a direction.

Cis(x) is another name for the complex exponential, Cis(x)=e^(ix)=cosx+isinx. (1) It has derivative d/(dz)Cis(z)=ie^(iz) (2) and indefinite integral intCis(z)dz=-ie^(iz). (3)